So, I'm positive my grandpa is homophobic. Why?

1) He's Christian and I've noticed a bit of a pattern with most Christians' views on homosexuality and the LGBTQ+ community

2) he's literally told me directly that he's against homosexuality

3) my aunt told me that when she came out as bisexual to him, it didn't go well for her

4) literally not long ago, as we're watching a movie while I pack some small Halloween bags, a guy on the movie gives a major hint that he's gay. I smile, because I like movies like that that show that one guy who's gay and his supportive friends. My grandpa on the other hand, the first thing I hear him say is the f slur. I glared at him, and I didn't stop until he noticed(I usually stop before he notices so that's a yikes for me). And then he uses a different term, less horrible to say since the word is literally a food, but in this context it was still an insult.

My grandpa is homophobic, and that's exactly why I wish to move out as soon as I possibly can(after I'm 18 of course). Only problem is, I have no idea who would let me live with them, idk if any of my friends would be willing. So, I have to stay with him for another two years. Unless I want to live with my aunt because she shares custody of me, but I can't since all my friends are here. Sooooo yeah...